
.navbar {
  width: calc(100% - 104px); 
  max-width: 1820px;
  height: 52px;
  border-radius: 10px;
  background-color: rgba(223, 225, 233, 0.3);
  display: flex;
  align-items: center;
  margin: 0 52px; /* 左右间距52px */
  overflow: hidden;
}
.navbar-item {
  width: 136px;
  height: 52px;
  border-radius: 10px;
  color: rgba(51, 51, 51, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: background-color 0.3s;
}
.navbar-item:hover {
  background-color: #86bbe7;
}
.navbar-item.selected {
  background-color: #ffffff; 
  color: rgba(0, 185, 155, 1);
}
